[PATCH 10/33] hw/cpu/arm: Introduce abstract CORTEX_MPCORE_PRIV QOM type

[Philippe Mathieu-Daudé]

This type will be common to A9MPCORE/A15MPCORE devices.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 include/hw/cpu/cortex_mpcore.h | 21 +++++++++++++++++++++
 hw/cpu/cortex_mpcore.c         | 22 ++++++++++++++++++++++
 hw/arm/Kconfig                 |  3 +++
 hw/cpu/meson.build             |  1 +
 4 files changed, 47 insertions(+)
 create mode 100644 hw/cpu/cortex_mpcore.c

diff --git a/include/hw/cpu/cortex_mpcore.h b/include/hw/cpu/cortex_mpcore.h
index 9147f35c2a..c5dd7200d0 100644
--- a/include/hw/cpu/cortex_mpcore.h
+++ b/include/hw/cpu/cortex_mpcore.h
@@ -17,6 +17,27 @@
 #include "hw/timer/a9gtimer.h"
 #include "hw/timer/arm_mptimer.h"
 
+/*
+ * This is a model of the Arm Cortex-A MPCore family of hardware.
+ *
+ * The A7 and A15 MPCore contain:
+ *  up to 4 Cortex-A cores
+ *  a GIC
+ * The A9 MPCore additionally contains:
+ *  a System Control Unit
+ *  some timers and watchdogs
+ */
+#define TYPE_CORTEX_MPCORE_PRIV "cortex_mpcore_priv"
+OBJECT_DECLARE_TYPE(CortexMPPrivState, CortexMPPrivClass, CORTEX_MPCORE_PRIV)
+
+struct CortexMPPrivClass {
+    SysBusDeviceClass parent_class;
+};
+
+struct CortexMPPrivState {
+    SysBusDevice parent_obj;
+};
+
 #define TYPE_A9MPCORE_PRIV "a9mpcore_priv"
 OBJECT_DECLARE_SIMPLE_TYPE(A9MPPrivState, A9MPCORE_PRIV)
 
diff --git a/hw/cpu/cortex_mpcore.c b/hw/cpu/cortex_mpcore.c
new file mode 100644
index 0000000000..7d3796bd69
--- /dev/null
+++ b/hw/cpu/cortex_mpcore.c
@@ -0,0 +1,22 @@
+/*
+ * Cortex-MPCore internal peripheral emulation.
+ *
+ * Copyright (c) 2023 Linaro Limited.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "qemu/osdep.h"
+#include "hw/cpu/cortex_mpcore.h"
+
+static const TypeInfo cortex_mpcore_types[] = {
+    {
+        .name           = TYPE_CORTEX_MPCORE_PRIV,
+        .parent         = TYPE_SYS_BUS_DEVICE,
+        .instance_size  = sizeof(CortexMPPrivState),
+        .class_size     = sizeof(CortexMPPrivClass),
+        .abstract       = true,
+    },
+};
+
+DEFINE_TYPES(cortex_mpcore_types)
diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig
index 3ada335a24..3040342fcb 100644
--- a/hw/arm/Kconfig
+++ b/hw/arm/Kconfig
@@ -643,6 +643,9 @@ config ZAURUS
     select NAND
     select ECC
 
+config CORTEX_MPCORE
+    bool
+
 config A9MPCORE
     bool
     select A9_GTIMER
diff --git a/hw/cpu/meson.build b/hw/cpu/meson.build
index 6d319947ca..8b376d6e7c 100644
--- a/hw/cpu/meson.build
+++ b/hw/cpu/meson.build
@@ -2,5 +2,6 @@ system_ss.add(files('core.c', 'cluster.c'))
 
 system_ss.add(when: 'CONFIG_ARM11MPCORE', if_true: files('arm11mpcore.c'))
 system_ss.add(when: 'CONFIG_REALVIEW', if_true: files('realview_mpcore.c'))
+specific_ss.add(when: 'CONFIG_CORTEX_MPCORE', if_true: 
files('cortex_mpcore.c'))
 specific_ss.add(when: 'CONFIG_A9MPCORE', if_true: files('a9mpcore.c'))
 specific_ss.add(when: 'CONFIG_A15MPCORE', if_true: files('a15mpcore.c'))
-- 
2.41.0